Coupling circuit model and discharge waveform prediction for Keda Torus eXperiment

被引:8
|
作者
Bai, Wei [1 ,2 ]
Lan, Tao [1 ,2 ]
Yang, Lei [3 ]
Xiao, Chijin [1 ,2 ,4 ]
Mao, Wenzhe [1 ,2 ]
You, Wei [1 ,2 ]
Li, Chenguang [1 ,2 ]
Tu, Cui [1 ,2 ]
Tan, Mingsheng [1 ,2 ]
Luo, Bin [1 ,2 ]
Fu, Chengshuo [1 ,2 ]
Huang, Fangchen [1 ,2 ]
Xu, Hangqi [1 ,2 ]
Deng, Tijian [1 ,2 ]
Zhu, Junfeng [1 ,2 ]
Fu, Peng [3 ]
Wen, Xiaohui [1 ,2 ]
Zhou, Haiyang [1 ,2 ]
Wang, Hai [1 ,2 ]
Wan, Shude [1 ,2 ]
Liu, Ahdi [1 ,2 ]
Xie, Jinlin [1 ,2 ]
Li, Hong [1 ,2 ]
Ding, Weixing [1 ,2 ,5 ]
Liu, Wandong [1 ,2 ]
机构
[1] Univ Sci & Technol China, Key Lab Basic Plasma Phys, Hefei 230026, Peoples R China
[2] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Peoples R China
[3] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
[4] Univ Saskatchewan, Plasma Phys Lab, Saskatoon, SK S7N 5E2, Canada
[5] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
关键词
Reversed field pinch; Coupling circuit; Taylor's state; TOROIDAL FIELD; PLASMA MODEL; SYSTEM; DYNAMO; RFP;
D O I
10.1016/j.fusengdes.2015.07.025
中图分类号
TL [原子能技术]; O571 [原子核物理学];
学科分类号
0827 ; 082701 ;
摘要
A poloidal and toroidal magnetic field coupling circuit model is developed to simulate discharge waveforms of the Keda Torus eXperiment (KTX) reversed field pinch (RFP) to ensure that the design of the power supply systems is able to achieve the typical discharge parameters. The radial profiles of plasma current density and magnetic field used in the coupling model are characterized by modified Bessel function model (MBFM) derived from the well-known Taylor's theory. The power balance in the energy conservation of poloidal and toroidal fields is used to establish the connection between these two fields. The numerical solutions of the coupling show that the KTX power supply system is capable of achieving the designed discharge parameters, such as field reversal parameter (F), pinch parameter circle dot, magnetic field, plasma current and loop voltage. Furthermore, the delay of magnetic field penetration due to the effect of vacuum vessel is also considered in the model. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:495 / 500
页数:6
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